package cn.hl.controller;

import cn.hl.domain.User;
import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@RequestMapping("/order")
@DefaultProperties(defaultFallback = "fallbackMethod") // 统一托底方式
public class OrderController {

    @Autowired
    private RestTemplate restTemplate;

    @GetMapping("/getUserById/{id}")
    @HystrixCommand
    public Object getUserById(@PathVariable("id")Long id) {
        String url = "http://user-server/user/getUserById/" + id;
        User user = restTemplate.getForObject(url, User.class);
        return user;
    }

    public Object fallbackMethod() {
        return new User(-1L, "熔断触发","用户服务不可用！");
    }

    // 独立托底方式
    /*@GetMapping("/getUserById/{id}")
    @HystrixCommand(Fallback = "fallbackMethod")
    public User getUserById(@PathVariable("id")Long id) {
        String url = "http://user-server/user/getUserById/" + id;
        User user = restTemplate.getForObject(url, User.class);
        return user;
    }

    public User fallbackMethod(@PathVariable("id")Long id) {
        return new User(-1L, "熔断触发","用户服务不可用！");
    }*/

}
